11.18:
a) Denote the length of the boom by
L
, and take torques about the pivot point.
The tension in the guy wire is found from
,
0
.
60
cos
)
35
.
0
N)(
2600
(
0
.
60
cos
N)
5000
(
60
sin
°
+
°
=
°
L
L
TL
so
kN.
14
.
3
=
T
The vertical force exerted on the boom by the pivot is the sum of the
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Unformatted text preview: weights, 7.06 kN and the horizontal force is the tension, 3.14 kN. b) No; . F F tan H v ≠...
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 Force, pivot point, Fv weights, TL sin

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